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glycoside

Line breaks: glyco|side
Pronunciation: /ˈɡlʌɪkə(ʊ)sʌɪd
 
/

Definition of glycoside in English:

noun

Biochemistry
A compound formed from a simple sugar and another compound by replacement of a hydroxyl group in the sugar molecule. Many drugs and poisons derived from plants are glycosides.
Example sentences
  • Covalent bonds between the anomeric hydroxyl of a cyclic sugar and the hydroxyl of a second sugar (or another alcohol containing compound) are termed glycosidic bonds, and the resultant molecules are glycosides.
  • Aloe emodin is found both free and as a glycoside in plants having increasing commercial importance, including aloe and senna.
  • The sweet flavor usually indicates the presence of carbohydrates, proteins, various sugars and glycosides.

Origin

late 19th century: from glyco- 'relating to sugar', on the pattern of glucoside.

Derivatives

glycosidic

1
Pronunciation: /-ˈsɪdɪk/
adjective
Example sentences
  • The linkage of two monosaccharides to form disaccharides involves a glycosidic bond.
  • Similarly, large deforming forces are expected to act on the pyranose ring and the glycosidic linkage during various enzymatic processes.
  • The enzymes catalyzing the initial step are glycosylases, which cleave the glycosidic bond between the base and its deoxyribose.

Definition of glycoside in:

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